Power Grid said its board had approved investments worth `2,851.14 crore. The company would invest `2,127.51 crore for transmission system-related works for generation projects in Chhattisgarh, it said in a regulatory filing. The system is expected to be commissioned in 32 months progressively from the date of investment approval.

Separately, Power Grid would invest `723.63 crore for ‘Northern region system strengthening scheme-XXIV’ and the commissioning schedule is 36 months from the date of investment approval. Power Grid plans to add about 50,000 circuit kilometres of transmission lines in the next five years.